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United States Patent | 5,237,940 |
Pieper ,   et al. | August 24, 1993 |
Waste is incinerated in a rotary furnace which discharges slag and exhaust gas connected to an afterburning chamber. The slag is discharged from the afterburning chamber directly into a glass melting furnace while the exhaust gas is removed to scrubbers which remove residues which are then fed to the glass melting furnace. Cullet and other glass forming materials are also added to the furnace in order to form a vitrified product.
Inventors: | Pieper; Helmut (Lohr/Main, DE); Lausberg; Helmut (Oberhausen, DE) |
Assignee: | Beteiligungen Sorg GmbH & Co. KG (Lohr/Main, DE); Man Gutehollnungshutte AG (Oberhausen, DE) |
Appl. No.: | 861573 |
Filed: | April 1, 1992 |
Apr 13, 1991[DE] | 4112162 |
Current U.S. Class: | 110/346; 65/19; 110/165A; 110/165R; 110/246; 110/259 |
Intern'l Class: | F23G 005/00 |
Field of Search: | 110/346,165 R,165 A,259,246 65/136,19 |
4191546 | Mar., 1980 | Kroyer | 65/20. |
4831943 | May., 1989 | Aune | 110/346. |
4915039 | Apr., 1990 | Ringel | 110/346. |
4944785 | Jul., 1990 | Sorg et al. | 65/136. |
4948411 | Aug., 1990 | Pieper et al. | 65/342. |
4977837 | Dec., 1990 | Roos et al. | 110/165. |
5078065 | Jan., 1992 | Tsunemi et al. | 110/165. |
5081940 | Jan., 1992 | Motomura et al. | 110/259. |
Foreign Patent Documents | |||
0294362 | Dec., 1988 | EP. | |
0359003 | Mar., 1990 | EP. | |
0417520 | Mar., 1991 | EP. | |
0437679 | Jul., 1991 | EP. | |
2849166 | May., 1980 | DE. | |
3830392 | Mar., 1990 | DE. | |
3904613 | Sep., 1990 | DE. | |
4024273 | Feb., 1991 | DE. |
VGB-Konferenz "Ruckstande Aus der Mullverbrennung" VGB-Kraftwerlestechnik 70 (1990) May No. 5 pp. 428-430. |